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question whether various degrees of vaccination differ in their
protective effect.
Dr. Gayton furnished us with the results of an examination
of 10,403 cases at the Homerton Hospital between tne years
1873 and 1884. The deaths amongst the vaccinated (in which
class are included those said to be vaccinated, but who had no
marks) were 869 out of 8,234, or 10.5 per cent.; the deaths
amongst the unvaccinated 43.4 per cent., the numbers being 938
out of 2,169.
So far, we have made no discrimination as regards the age of
the persons attacked. Out of the total number of 1,807 deaths,
700, i.e., 38 per cent., were under 10 years of age. The fatality
of the vaccinated under 10 was 10.4, being 137 out of 1,306.
The deaths among the unvaccinated of a similar age were 563
out of 1,187,or a fatality of 47.3 per cent. If the cases of
children under one year of age be excluded, the figures are as
follows :—In the vaccinated class, 1,286 cases with 130 deaths, or
a fatality of 10.1 per cent. ; in the unvaccinated class, 1,032 cases
with 465 deaths, or a fatality of 45 per cent.
Over the age of 10, the fatality of the vaccinated was 10.5,
being 732 out of 6,928. The death-rate of the unvaccinated of a
similar age was 38.1, being 375 out of 982.
Mr. Sweeting put before us statistics relating to 2,584 cases
at Fulham Hospital between the years 1880 and 1885. Of these
428 died, or 16.5 per cent. The deaths among the vaccinated (in
which class are included, as with Dr. Gayton's tables, those said
to be vaccinated, but who bore no marks) were 263 out of 2,226,
or 11.4 per cent. The deaths amongst the unvaccinated were 165
out of 358, or 46 per cent. Discriminating again with reference
to the age of the persons attacked. Of 202 under 10 years of age
in the vaccinated class 16 died, or 7.9 per cent. Of 168 of a
similar age in the unvaccinated class 78 died, or 46 per cent. The
fatality of the vaccinated over 10 years of age was 12.2, being